[INFO] cloning repository https://github.com/kamiloox/http-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kamiloox/http-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamiloox%2Fhttp-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamiloox%2Fhttp-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b694ab6b45ae876349f3de0d55584de1411717ea
[INFO] checking kamiloox/http-server against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamiloox%2Fhttp-server" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kamiloox/http-server on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kamiloox/http-server
[INFO] finished tweaking git repo https://github.com/kamiloox/http-server
[INFO] tweaked toml for git repo https://github.com/kamiloox/http-server written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kamiloox/http-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c90ab69171665e45621387104daeee7f9760b5c7eb05eccd60b5ed9ce231a1d
[INFO] running `Command { std: "docker" "start" "-a" "5c90ab69171665e45621387104daeee7f9760b5c7eb05eccd60b5ed9ce231a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c90ab69171665e45621387104daeee7f9760b5c7eb05eccd60b5ed9ce231a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c90ab69171665e45621387104daeee7f9760b5c7eb05eccd60b5ed9ce231a1d", kill_on_drop: false }`
[INFO] [stdout] 5c90ab69171665e45621387104daeee7f9760b5c7eb05eccd60b5ed9ce231a1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 515ac33f458ce51159465ce225e93d5e4eb623be0b89594c7497e99fa3188c5f
[INFO] running `Command { std: "docker" "start" "-a" "515ac33f458ce51159465ce225e93d5e4eb623be0b89594c7497e99fa3188c5f", kill_on_drop: false }`
[INFO] [stderr]     Checking rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "515ac33f458ce51159465ce225e93d5e4eb623be0b89594c7497e99fa3188c5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "515ac33f458ce51159465ce225e93d5e4eb623be0b89594c7497e99fa3188c5f", kill_on_drop: false }`
[INFO] [stdout] 515ac33f458ce51159465ce225e93d5e4eb623be0b89594c7497e99fa3188c5f
[INFO] checking kamiloox/http-server against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamiloox%2Fhttp-server" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kamiloox/http-server on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kamiloox/http-server
[INFO] finished tweaking git repo https://github.com/kamiloox/http-server
[INFO] tweaked toml for git repo https://github.com/kamiloox/http-server written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kamiloox/http-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7dbd1f4e5fc236ab896ac4097ac989d305b4a36507291047e188b482920bb1a3
[INFO] running `Command { std: "docker" "start" "-a" "7dbd1f4e5fc236ab896ac4097ac989d305b4a36507291047e188b482920bb1a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dbd1f4e5fc236ab896ac4097ac989d305b4a36507291047e188b482920bb1a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dbd1f4e5fc236ab896ac4097ac989d305b4a36507291047e188b482920bb1a3", kill_on_drop: false }`
[INFO] [stdout] 7dbd1f4e5fc236ab896ac4097ac989d305b4a36507291047e188b482920bb1a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6699aadb5fd5c14a84484018ed10c077042ae46033cecb9aef74704afe48055c
[INFO] running `Command { std: "docker" "start" "-a" "6699aadb5fd5c14a84484018ed10c077042ae46033cecb9aef74704afe48055c", kill_on_drop: false }`
[INFO] [stderr]     Checking rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/main.rs:133:3
[INFO] [stdout]     |
[INFO] [stdout] 133 | /   if let Ok(length) = reader.read_to_end(&mut buffer) {
[INFO] [stdout] 134 | |     let result = ReadFile {
[INFO] [stdout] 135 | |       length,
[INFO] [stdout] 136 | |       buffer,
[INFO] [stdout] ...   |
[INFO] [stdout] 142 | |     return None;
[INFO] [stdout] 143 | |   };
[INFO] [stdout]     | |___^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/main.rs:133:3
[INFO] [stdout]     |
[INFO] [stdout] 133 | /   if let Ok(length) = reader.read_to_end(&mut buffer) {
[INFO] [stdout] 134 | |     let result = ReadFile {
[INFO] [stdout] 135 | |       length,
[INFO] [stdout] 136 | |       buffer,
[INFO] [stdout] ...   |
[INFO] [stdout] 142 | |     return None;
[INFO] [stdout] 143 | |   };
[INFO] [stdout]     | |___^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust` (bin "rust") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rust` (bin "rust" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6699aadb5fd5c14a84484018ed10c077042ae46033cecb9aef74704afe48055c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6699aadb5fd5c14a84484018ed10c077042ae46033cecb9aef74704afe48055c", kill_on_drop: false }`
[INFO] [stdout] 6699aadb5fd5c14a84484018ed10c077042ae46033cecb9aef74704afe48055c